On 7/29/2020 11:11 PM, Nilesh Javali wrote:
From: Shyam Sundar <ssundar@xxxxxxxxxxx>
Update documentation for sysfs nodes within,
/sys/class/fc_host
/sys/class/fc_remote_ports
Signed-off-by: Shyam Sundar <ssundar@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
---
Documentation/ABI/testing/sysfs-class-fc_host | 23 +++++++++++++++++++
.../ABI/testing/sysfs-class-fc_remote_ports | 23 +++++++++++++++++++
2 files changed, 46 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-class-fc_host
create mode 100644 Documentation/ABI/testing/sysfs-class-fc_remote_ports
diff --git a/Documentation/ABI/testing/sysfs-class-fc_host b/Documentation/ABI/testing/sysfs-class-fc_host
new file mode 100644
index 000000000000..a1e6ab89b86f
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-fc_host
@@ -0,0 +1,23 @@
+What: /sys/class/fc_host/hostX/statistics/fpin_cn_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@xxxxxxxxxxx>
+Description:
+ These files contain the number of Fabric Performance Impact
+ Notification (FPIN) events generated by the fabric, to indicate
+ congestion detected on this host.
+
+What: /sys/class/fc_host/hostX/statistics/fpin_li_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@xxxxxxxxxxx>
+Description:
+ These files contain the number of Fabric Performance Impact
+ Notification (FPIN) events generated by the fabric, to indicate
+ Link Integrity errors between the fabric and this host.
+
+What: /sys/class/fc_host/hostX/statistics/fpin_dn_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@xxxxxxxxxxx>
+Description:
+ These files contain the number of Fabric Performance Impact
+ Notification (FPIN) events generated by the fabric, to indicate
+ Delivery related errors between the fabric and this host.
diff --git a/Documentation/ABI/testing/sysfs-class-fc_remote_ports b/Documentation/ABI/testing/sysfs-class-fc_remote_ports
new file mode 100644
index 000000000000..185db8ec6c05
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-fc_remote_ports
@@ -0,0 +1,23 @@
+What: /sys/class/fc_remote_ports/rport-X:Y-Z/statistics/fpin_cn_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@xxxxxxxxxxx>
+Description:
+ These files contain the number of Fabric Performance Impact
+ Notification (FPIN) events generated by the fabric, to indicate
+ congestion detected on this rport.
+
+What: /sys/class/fc_remote_ports/rport-X:Y-Z/statistics/fpin_li_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@xxxxxxxxxxx>
+Description:
+ These files contain the number of Fabric Performance Impact
+ Notification (FPIN) events generated by the fabric, to indicate
+ Link Integrity errors between the fabric and this rport.
+
+What: /sys/class/fc_remote_ports/rport-X:Y-Z/statistics/fpin_dn_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@xxxxxxxxxxx>
+Description:
+ These files contain the number of Fabric Performance Impact
+ Notification (FPIN) events generated by the fabric, to indicate
+ Delivery related errors between the fabric and this rport.
Can you rework these a little. As it's written, it's implying that it's counting the FPINs, when it's really summing the number of integrity events reported by FPINs. The number of events may not be the total number as it may have had to reach a threshold within a time window in order to have an FPIN generated.
-- james
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